<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>大事件-后台登录页</title>
  <link rel="stylesheet" type="text/css" href="css/reset.css" />
  <link rel="stylesheet" type="text/css" href="css/iconfont.css" />
  <link rel="stylesheet" type="text/css" href="css/main.css" />
  <!-- 引入bootstrap的css文件 -->
  <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css" />
  <!-- 引入jq文件 -->
  <script src="./libs/jquery-1.12.4.min.js"></script>
  <!-- 引入bootstrap的js文件 -->
  <script src="./libs/bootstrap/js/bootstrap.min.js"></script>
</head>

<body>
  <div class="main_wrap">
    <div class="header">
      <a href="#" class="logo"><img src="images/logo.png" alt="" /></a>
      <div class="copyright">
        CopyRight © 2019 深圳百秀信息技术股份有限公司<br />All Rights Reserved
      </div>
    </div>

    <div class="login_form_con">
      <div class="login_title"></div>
      <form class="login_form">
        <i class="iconfont icon-user"></i>
        <i class="iconfont icon-key"></i>
        <input type="text" class="input_txt" placeholder="邮箱/手机号" />
        <input type="password" class="input_pass" placeholder="密码" />
        <input type="submit" class="input_sub" value="登 录" />
      </form>
    </div>
  </div>

  <!-- bootstrap模态框静态结构 -->
  <div class="modal fade" tabindex="-1" role="dialog" id="myModal">
    <div class="modal-dialog" role="document">
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
          <h4 class="modal-title">温馨提示</h4>
        </div>
        <div class="modal-body">
          <p>

          </p>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">确认</button>
        </div>
      </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
  </div><!-- /.modal -->

</body>

</html>
<!-- 导入接口文件 -->
<script src="./libs/https.js"></script>

<script>
  $(function(){
    // 1. 给登录按钮设置点击事件
    $('.input_sub').on('click',function (e) {
      e.preventDefault();
      // 阻断默认效果

      // 2. 获得用户信息
      let username = $('.input_txt').val().trim();
      let password = $('.input_pass').val().trim();

      // 3. 判断是否为空
      if (username == '' || password == '') {
        // alert('账户密码不能为空!');
        // 利用js让模态框显示
        $('#myModal').modal();
        // 设置模态框提示文本
        $('.modal-body p').text('用户名或密码不能为空!');
        return;
      }

      // 4. 发起ajax请求,验证用户数据
      $.ajax(
        {
          type:'post',
          url: BigNew.user_login,
          data: {
            username: username,
            password: password
          },
          success: function (backData) {
            console.log(backData);

            if (backData.code == 200) {
              // 注意需要将后台返回的token保存起来
              // 利用localStorage对象,将token保存到浏览器本地数据
              localStorage.setItem('token72', backData.token);

              // alert(backData.msg);  原生的弹窗会卡住代码的执行
              // 显示模态框,注意不会卡住代码的执行
              $('#myModal').modal();
              $('.modal-body p').text(backData.msg);

              // 5. 当模态框被(关闭)隐藏的时候,才跳转页面
              $('#myModal').on('hidden.bs.modal',function () {
                // 当模态框被隐藏之后会执行这里的代码
                // 跳转到首页
                window.location = './index.html';
              })
            } else {
              // alert(backData.msg);
              // 当账户密码错误的显示模态框
              $('#myModal').modal();
              $('.modal-body p').text(backData.msg);
              $('.input_txt').val('');
              $('.input_pass').val('');
            }
          }
        }
      )
    })
  })
</script>